公开(公告)号：US06459355B1

公开(公告)日：2002-10-01

申请号：US09721899

申请日：2000-11-27

申请人： Yukinari Furuhata ,  Toshikatsu Ohgami ,  Fumihiro Morishita ,  Naoki Fukaya ,  Teruhisa Okutsu

发明人： Yukinari Furuhata ,  Toshikatsu Ohgami ,  Fumihiro Morishita ,  Naoki Fukaya ,  Teruhisa Okutsu

IPC分类号： H01H7174

CPC分类号： H01H61/02 ,  H01H5/06 ,  H01H71/46 ,  H01H71/7427 ,  H01H83/223 ,  H01H2071/7454

摘要： A thermal overload relay includes an inversion operation mechanism that is driven by a releasing lever to open or close a contact. The inversion operation mechanism includes a movable plate supported at one end so as to be inverted, and a tension spring for driving the movable plate for inversion. The releasing lever presses a middle of a wire of the tension spring to drive the movable plate for inversion. A projection is formed in the middle of the wire of the tension spring to contact with the releasing lever. Thus, a stable inversion operation can be made regardless of the positioning of an adjustment dial.

摘要翻译： 热过载继电器包括由释放杆驱动以打开或闭合触点的反转操作机构。 反转操作机构包括一端支撑成可倒置的可动板，以及用于驱动可动板进行倒转的拉伸弹簧。 释放杆按压拉伸弹簧的线的中间以驱动可动板倒转。 突起形成在拉伸弹簧的线的中间与释放杆接触。 因此，可以进行稳定的反转操作，而不管调节转盘的定位如何。